<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style type="text/css">
			*{
				padding: 0;
				margin: 0;
			}
			body{
				background: black;
			}
			a.start{
				width: 50%;
				display: block;
				line-height: 2em;
				color: black;
				background: white;
				text-align: center;
				font-weight: 700;
				border-radius: 20px;
				text-decoration: none;
				font-size: 8vw;
				position: absolute;
				left: 50%;
				top: 50%;
				transform: translate(-50%,-50%);
				-webkit-transform: translate(-50%,-50%);
				-o-transform: translate(-50%,-50%);
				-ms-transform: translate(-50%,-50%);
				-moz-transform: translate(-50%,-50%);
			}
		</style>
	</head>
	<body>
		
<a href="game.html" class="start">开打</a>
		
		
		
	</body>
</html>








